/**
 * VoiceTube TransLive - 精簡介面樣式
 * 設計原則：極簡、大字體、主空間給結果
 */

/* CSS 變數 */
:root {
    --color-bg-primary: #1C1C1E;
    --color-bg-secondary: #2C2C2E;
    --color-bg-tertiary: #3A3A3C;
    --color-border: #3A3A3C;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #8E8E93;
    --color-brand: #007AFF;
    --color-brand-dark: #0051D0;
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-fast: 0.2s;
}

/* 基礎樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 頂部標題列 */
.simple-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    border-bottom: 1px solid var(--color-border);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    font-size: 28px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-success) 100%);
    border-radius: 10px;
}

.brand-title {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-success) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-name {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.pro-mode-link {
    padding: 8px 16px;
    font-size: 13px;
    color: var(--color-brand);
    text-decoration: none;
    border: 1px solid var(--color-brand);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.pro-mode-link:hover {
    background: var(--color-brand);
    color: white;
}

/* 主要內容區 */
.simple-main {
    display: flex;
    height: calc(100vh - 77px);
    gap: 0;
}

/* 左側控制區 */
.control-panel {
    width: 280px;
    min-width: 280px;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
}

.control-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

/* 場次選擇 */
.session-select {
    width: 100%;
    padding: 12px;
    font-size: 14px;
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.session-select:hover {
    border-color: var(--color-brand);
}

.session-select:focus {
    outline: none;
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

/* 上傳區域 */
.upload-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upload-btn {
    width: 100%;
    padding: 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-brand);
    background: rgba(0, 122, 255, 0.1);
    border: 2px dashed var(--color-brand);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-btn:hover {
    background: rgba(0, 122, 255, 0.2);
}

.upload-hint {
    font-size: 11px;
    color: var(--color-text-secondary);
    text-align: center;
}

.vocab-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: rgba(52, 199, 89, 0.1);
    border: 1px solid rgba(52, 199, 89, 0.3);
    border-radius: var(--radius-sm);
}

.vocab-icon {
    font-size: 16px;
}

.vocab-text {
    font-size: 13px;
    color: var(--color-success);
}

/* 語言設定 */
.language-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-label {
    width: 40px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.lang-select {
    flex: 1;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.lang-select:focus {
    outline: none;
    border-color: var(--color-brand);
}

/* 錄音控制 */
.recording-section {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.record-btn {
    width: 100%;
    padding: 18px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.record-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.record-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.record-btn.recording {
    background: linear-gradient(135deg, var(--color-error) 0%, #CC0000 100%);
    box-shadow: 0 4px 12px rgba(255, 59, 48, 0.4);
    animation: pulse-recording 2s infinite;
}

@keyframes pulse-recording {
    0%, 100% { box-shadow: 0 4px 12px rgba(255, 59, 48, 0.4); }
    50% { box-shadow: 0 4px 20px rgba(255, 59, 48, 0.6); }
}

.record-icon {
    font-size: 20px;
}

.recording-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 12px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-secondary);
}

.status-dot.ready {
    background: var(--color-success);
}

.status-dot.recording {
    background: var(--color-error);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.status-text {
    flex: 1;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.recording-time {
    font-size: 14px;
    font-weight: 600;
    font-family: 'SF Mono', monospace;
    color: var(--color-text-primary);
}

/* 右側結果區 */
.result-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-primary);
    overflow: hidden;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border);
}

.result-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.result-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px 14px;
    font-size: 13px;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--color-text-secondary);
}

/* 結果顯示區 */
.result-area {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
}

.placeholder-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.placeholder-text {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.placeholder-hint {
    font-size: 14px;
    color: var(--color-text-secondary);
    opacity: 0.6;
}

/* 轉錄結果項目 */
.result-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-original {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.result-translation {
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-brand);
    padding-left: 12px;
    border-left: 3px solid var(--color-brand);
}

.result-interim {
    font-size: 18px;
    color: var(--color-text-secondary);
    opacity: 0.7;
    font-style: italic;
}

/* 對話框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    font-size: 24px;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.modal-body {
    flex: 1;
    padding: 20px 24px;
    overflow-y: auto;
}

.vocab-summary {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.vocab-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
}

.vocab-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.vocab-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-brand);
}

.vocab-phrase {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.vocab-translation {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
}

.btn-secondary {
    padding: 10px 20px;
    font-size: 14px;
    color: var(--color-text-primary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
}

.btn-primary {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: white;
    background: var(--color-brand);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background: var(--color-brand-dark);
}

/* 上傳進度 */
.upload-progress {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
}

.progress-content {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.progress-icon {
    font-size: 20px;
}

.progress-text {
    font-size: 14px;
    min-width: 100px;
}

.progress-bar {
    width: 150px;
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-brand);
    border-radius: 3px;
    transition: width 0.3s ease-out;
    width: 0;
}

/* Toast 通知 */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1001;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    animation: slideIn 0.3s ease-out;
    max-width: 350px;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-success {
    background: var(--color-success);
    color: white;
}

.toast-error {
    background: var(--color-error);
    color: white;
}

.toast-info {
    background: var(--color-brand);
    color: white;
}

.toast-icon {
    font-size: 18px;
}

.toast-message {
    flex: 1;
    font-size: 14px;
}

/* 展開設定按鈕 - 預設隱藏（僅手機版顯示） */
.expand-settings-btn {
    display: none;
}

/* ============================================
   響應式設計 - iPhone 優化
   ============================================ */

/* 平板與小螢幕 */
@media (max-width: 768px) {
    .simple-main {
        flex-direction: column;
    }

    .control-panel {
        width: 100%;
        min-width: unset;
        padding: 16px;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .recording-section {
        margin-top: 16px;
    }

    .result-area {
        padding: 16px;
    }

    .result-original {
        font-size: 18px;
    }
}

/* 手機版 - iPhone 優化 */
@media (max-width: 480px) {
    /* 支援 iPhone 安全區域 */
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    /* 精簡標題列 */
    .simple-header {
        padding: 12px 16px;
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .brand-icon {
        width: 36px;
        height: 36px;
        font-size: 22px;
    }

    .brand-title {
        font-size: 16px;
    }

    .header-right {
        gap: 12px;
    }

    .user-name {
        display: none; /* 手機版隱藏用戶名節省空間 */
    }

    .pro-mode-link {
        padding: 6px 12px;
        font-size: 12px;
    }

    /* 主要佈局 - 手機版 */
    .simple-main {
        flex-direction: column;
        height: calc(100vh - 61px);
        height: calc(100dvh - 61px); /* 動態視口高度 */
    }

    /* 控制面板 - 收合為精簡區塊 */
    .control-panel {
        width: 100%;
        min-width: unset;
        padding: 12px 16px;
        gap: 12px;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        overflow-y: visible;
        flex-shrink: 0;
        transition: all 0.3s ease;
    }

    /* 錄音時收疊控制面板 */
    .control-panel.recording-collapsed {
        padding: 8px 16px;
        gap: 0;
    }

    .control-section {
        gap: 8px;
        transition: all 0.3s ease;
        overflow: hidden;
        max-height: 200px;
    }

    /* 收疊時隱藏場次和語言設定區塊 - 使用 nth-of-type 避免被 button 干擾 */
    .control-panel.recording-collapsed .control-section:nth-of-type(1),
    .control-panel.recording-collapsed .control-section:nth-of-type(3) {
        max-height: 0;
        opacity: 0;
        padding: 0;
        margin: 0;
        pointer-events: none;
    }

    /* 展開按鈕 */
    .expand-settings-btn {
        display: none;
        width: 100%;
        padding: 8px;
        font-size: 12px;
        color: var(--color-text-secondary);
        background: transparent;
        border: 1px dashed var(--color-border);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: all var(--transition-fast);
        margin-bottom: 8px;
    }

    .expand-settings-btn:hover {
        color: var(--color-text-primary);
        border-color: var(--color-brand);
    }

    .control-panel.recording-collapsed .expand-settings-btn {
        display: block;
    }

    .control-panel.recording-collapsed.settings-expanded .control-section:nth-of-type(1),
    .control-panel.recording-collapsed.settings-expanded .control-section:nth-of-type(3) {
        max-height: 200px;
        opacity: 1;
        padding: initial;
        margin: initial;
        pointer-events: auto;
    }

    .section-title {
        font-size: 11px;
        padding-bottom: 6px;
    }

    /* 場次選擇 - 精簡 */
    .session-select {
        padding: 10px 12px;
        font-size: 14px;
    }

    /* 隱藏資料準備區塊（手機版精簡） - 使用 nth-of-type 避免被 button 干擾 */
    .control-section:nth-of-type(2) {
        display: none;
    }

    /* 語言設定 - 橫向排列 */
    .control-section:nth-of-type(3) {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .control-section:nth-of-type(3) .section-title {
        width: 100%;
        margin-bottom: 4px;
    }

    .language-row {
        flex: 1;
        min-width: 140px;
        gap: 8px;
    }

    .lang-label {
        width: 32px;
        font-size: 12px;
    }

    .lang-select {
        padding: 8px 10px;
        font-size: 13px;
    }

    /* 錄音區 - 固定底部 */
    .recording-section {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        margin: 0;
        padding: 12px 16px;
        padding-bottom: calc(12px + env(safe-area-inset-bottom));
        background: var(--color-bg-secondary);
        border-top: 1px solid var(--color-border);
        border-radius: 0;
        z-index: 100;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    }

    .record-btn {
        padding: 16px;
        font-size: 16px;
        border-radius: var(--radius-sm);
    }

    .recording-status {
        margin-top: 8px;
        padding: 6px 10px;
    }

    .status-text {
        font-size: 12px;
    }

    .recording-time {
        font-size: 13px;
    }

    /* 結果區 - 佔滿剩餘空間 */
    .result-panel {
        flex: 1;
        min-height: 0;
        padding-bottom: 120px; /* 為固定底部錄音按鈕留空間 */
    }

    .result-header {
        padding: 12px 16px;
        position: sticky;
        top: 0;
        background: var(--color-bg-primary);
        z-index: 10;
    }

    .result-header h2 {
        font-size: 16px;
    }

    .action-btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    /* 結果顯示區 */
    .result-area {
        padding: 12px 16px;
        padding-bottom: 32px;
    }

    .result-placeholder {
        padding-top: 40px;
    }

    .placeholder-icon {
        font-size: 48px;
        margin-bottom: 16px;
    }

    .placeholder-text {
        font-size: 16px;
    }

    .placeholder-hint {
        font-size: 13px;
    }

    /* 轉錄結果 */
    .result-item {
        padding: 12px 0;
    }

    .result-original {
        font-size: 18px;
        line-height: 1.5;
    }

    .result-translation {
        font-size: 15px;
        margin-top: 6px;
        padding-left: 10px;
    }

    .result-interim {
        font-size: 16px;
    }

    /* 對話框 - 全螢幕 */
    .modal-content {
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }

    .modal-header {
        padding: 16px;
        padding-top: calc(16px + env(safe-area-inset-top));
    }

    .modal-body {
        padding: 16px;
    }

    .modal-footer {
        padding: 16px;
        padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }

    /* Toast 通知 */
    .toast-container {
        bottom: calc(130px + env(safe-area-inset-bottom));
        right: 16px;
        left: 16px;
    }

    .toast {
        max-width: 100%;
    }

    /* 上傳進度 */
    .upload-progress {
        bottom: calc(130px + env(safe-area-inset-bottom));
        left: 16px;
        right: 16px;
        transform: none;
    }

    .progress-content {
        width: 100%;
        justify-content: center;
    }
}

/* iPhone 16 Pro Max 等大螢幕手機微調 */
@media (max-width: 480px) and (min-height: 800px) {
    .result-original {
        font-size: 20px;
        line-height: 1.6;
    }

    .result-translation {
        font-size: 16px;
    }

    .placeholder-icon {
        font-size: 56px;
    }
}

/* 橫向模式 */
@media (max-width: 896px) and (orientation: landscape) {
    .simple-main {
        flex-direction: row;
    }

    .control-panel {
        width: 280px;
        min-width: 280px;
        border-right: 1px solid var(--color-border);
        border-bottom: none;
        overflow-y: auto;
    }

    .recording-section {
        position: static;
        padding: 16px 0;
        background: transparent;
        box-shadow: none;
    }

    .result-panel {
        padding-bottom: 0;
    }

    /* 隱藏資料準備區塊 */
    .control-section:nth-of-type(2) {
        display: none;
    }
}